Picture frame



FIG. 1 is a front perspective view of the picture frame showing the design;

FIG. 2 is a rear perspective view of the picture frame of FIG. 1;

FIG. 3 is a front view of the picture frame of FIG. 1;

FIG. 4 is a back view of the picture frame of FIG. 1;

FIG. 5 is a left side view of the picture frame of FIG. 1;

FIG. 6 is a right side view of the picture frame of FIG. 1;

FIG. 7 is a top view of the picture frame of FIG. 1; and,

FIG. 8 is a bottom view of the picture frame of FIG. 1.

The broken lines depict portions of the picture frame that form no part of the claimed design, and are for illustrative purposes only. 

CLAIM The ornamental design for a picture frame, as shown and described. 